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It must be said: Whoever's managing Britney Spears these days is doing a pretty great job. The pop princess, whose extraordinary public meltdown culminated three years ago when she lost custody of her children and was involuntarily committed to the hospital, seems poised to make the unlikeliest of comebacks. As any embattled celebrity can tell you, two things are essential to a successful image revitalization: Be willing to make fun of yourself and look darn good while doing it. On Tuesday night's "Jimmy Kimmel Live," Spears did both.

First, she appeared in a funny skit with Kimmel, in which he revealed his enormous new "Britney Spears" tattoo (see clip above). Then, guest Johnny Knoxville introduced a "deleted scene" from "Jackass 3D," one which involved Spears and a bungee-mounted Porta Potti.

Spears did more than enough to prove herself a good sport. Now there was one final challenge: singing. In the show's final segment, Spears took to the stage to perform her catchy new single, "Till the World Ends." Though the performance may have lacked giant snakes and lesbian kisses, it represented a fine return to form for the singer, and will help many of us erase the memory of her disastrous 2008 VMA performance.